Home / 22,016.81-30,383.21-12,585.58

Finding the Fourth Proportional to 22,016.81, 30,383.21 and 12,585.58

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Solution

The fourth proportional to 22,016.81, 30,383.21 and 12,585.58 is: 17,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.81 : 30,383.21 = 12,585.58 : x
  2. Step 2: Convert to fraction form
    22,016.81/30,383.21 = 12,585.58/x
  3. Step 3: Cross multiply
    22,016.81x = 30,383.21 × 12,585.58
  4. Step 4: Simplify right side
    22,016.81x = 382,390,275.62
  5. Step 5: Solve for x
    x = 382,390,275.62/22,016.81
  6. Step 6: Final answer
    x = 17,368.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.